Toilet flush valve base



FIG. 1 is a perspective view of a toilet flush valve base showing my newdesign;

FIG. 2 is a perspective view of a toilet flush valve base showing my newdesign with the float shown in phantom lines;

FIG. 3 is a top view of my new design illustrated in FIG. 1;

FIG. 4 is a bottom view of my new design illustrated in FIG. 1;

FIG. 5 is a front view of FIG. 4;

FIG. 6 is a left side view of FIG. 4;

FIG. 7 is a rear view of FIG. 4; and,

FIG. 8 is a right side view of FIG. 7.

The broken lines in the figures is included for the purpose ofillustrating potions of the valve in FIGS. 1, 2 and 3 and to showenvironment in FIG. 2 and form no part of the claimed design.

CLAIM The ornamental design for a toilet flush valve base, as shown anddescribed.